Suzhou Everbright Photonics -长光华芯(688048.SH)：200G PAM4 EML通信芯片在验证阶段

长光华芯(688048.SH)：200G PAM4 EML通信芯片在验证阶段

Suzhou Everbright Photonics (SH:688048) Ge Long Hui·2026-02-05 10:47

Group 1 - The core point of the article is that Changguang Huaxin (688048.SH) has announced that its 200G PAM4 EML communication chip is currently in the verification phase [1]

Suzhou Everbright Photonics -长光华芯(688048.SH)：200G PAM4 EML通信芯片在验证阶段 - Reportify